Metal deforming – By use of closed-die and coacting work-forcer – Cup or shell drawing
Reexamination Certificate
2006-02-15
2011-11-22
Tolan, Edward (Department: 3725)
Metal deforming
By use of closed-die and coacting work-forcer
Cup or shell drawing
C072S347000, C072S453130, C072S456000
Reexamination Certificate
active
08061176
ABSTRACT:
A press molding device, which has a die2, a punch3and a cushion ring constituted by a first cushion ring5and a second cushion ring6, is characterized in that the first cushion ring5is disposed around the punch3, the punch3has a void3cwhich houses the second cushion ring6, and the second cushion ring6is housed in the void3cof the punch3and has a reinforcing structure50maintaining posture of the second cushion ring6.
REFERENCES:
patent: 4745792 (1988-05-01), Story et al.
patent: 5941110 (1999-08-01), Cao et al.
patent: 6276185 (2001-08-01), Owens
patent: 0 692 323 (1996-01-01), None
patent: 0 726 105 (1996-08-01), None
patent: 61-176429 (1986-08-01), None
patent: 63-013626 (1988-01-01), None
patent: 63-80928 (1988-04-01), None
patent: 63-168232 (1988-07-01), None
patent: 6-54422 (1994-07-01), None
patent: 2002-086219 (2002-03-01), None
patent: 2006-35289 (2006-02-01), None
patent: 2006-159237 (2006-06-01), None
International Search Report, Mar. 2007.
U.S. Appl. No. 11/629,479, Issued Jun. 2009.
Extended European Search Report for EP Appl. No. 06714245.5 dated Aug. 24, 2010.
Hanaki Yasuhito
Takayama Norihiro
Finnegan Henderson Farabow Garrett & Dunner LLP
Tolan Edward
Toyota Jidosha & Kabushiki Kaisha
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